Tread surface and periphery of a footwear unit sole
FIG. 1 is a bottom plan view of a tread surface and periphery of a footwear unit sole showing my new design; 
     FIG. 2 is a right side elevational view; 
     FIG. 3 is a left side elevational view; 
     FIG. 4 is a front edge elevational view; 
     FIG. 5 is a rear edge elevational view; and 
     FIG. 6 is a cross-sectional view taken along line 6--6 in FIG. 1; 
     FIG. 7 is a cross-sectional view taken along line 7--7 in FIG. 1.